If you’re a crusader for common sense and enjoy debating leftists, stop. It’s a Sysiphean habit that only feeds their delusion. Don’t debate leftists. Attack them morally. It’s the only way we can help with the turning of the tide against them.
As an aside, I know there’s no point trying to beat leftism. It is hegemonic, omnipresent and completely out of control. It will be destroyed only once it has destroyed its host, our civilisation (which will be very soon). The point of defeating leftist ideas, however, is to win undecided spectators over to our side to help with the restoration after the collapse. Also, it’s fun to make leftists hurt.